The Pioneer, built in 1837, was the first train locomotive to operate in Chicago. It was used by the Galena and Chicago Union railroad which later became the Chicago and Northwestern Railway. It became a work locomotive laying track for the Chicago,…
Rockford; Chicago Northwestern Railroad Class R-1 steam locomotive #1146 Whyte system 4-6-0 Ten Wheeler, (4 wheel pilot truck, 6 drivers, no trailing truck) The building behind the engine is the C&NW, Rockford Engine House or Roundhouse.